Fast-forward eight months and the Irish brothers - who cut their teeth busking on the streets of Dublin - have released a new EP called 'Osea' while they continue working on their debut album.

The four-track collection is available to download on iTunes now, but you can stream 'Called On' exclusively on Digital Spy below:

We know this sort of acoustic folk-pop isn't exactly ground-breaking stuff, but there's a certain amount of youthful charm and a slickness to it that makes them a helluva lot more of an exciting prospect than most in their field.